Alight bounces off the surface of a metal cup and shines in harold’s eyes. which  best  describes what is happening to the light waves in this scenario?

There are a few things that could be happening. The light could be refracting, diffracting, or reflecting Refraction is when light ray is bent as it enters a material. Diffraction is when a light ray is decomposed into multiple frequencies when it hits a grating. Reflection is when a light ray is 'sent back' off a material without any light being absorbed by the material itself.

//(b) both involve the use of levers;